<template>
   <!--点击查看图片-->
  <div class="container" @click="handleGallayrClick">
    <div class="wrapper">
      <swiper :options="swiperOptions">
        <swiper-slide v-for="(item, index) in imgs" :key="index">
        <img class="gallary-img" :src="item">
        </swiper-slide>
         <div class="swiper-pagination"  slot="pagination"></div>
      </swiper>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Gallary',
  data () {
    return {
      swiperOptions: {
        pagination: '.swiper-pagination',
        paginationType: 'fraction',
        // swiper插件监听到自身或父级发生dom结构的变化,会自动自我刷新一次
        // 解决宽度自我计算的问题
        observeParents: true,
        observer: true
      }
    }
  },
  methods: {
    // 关闭自身
    handleGallayrClick () {
    // 在自身绑定事件,父级接收并处理事件 --- 自身点击关闭
      this.$emit('close')
    }
  },
  // 外部调用组件传递图片
  props: {
    imgs: {
      type: Array,
      default () {
        return []
      }
    }
  }
}
</script>

<style lang="stylus" scoped>
   .container >>> .swiper-container
     overflow: inherit
  .container
    display: flex
    flex-direction: column
    justify-content: center
    z-index: 99
    position: fixed
    left: 0
    right: 0
    top: 0
    bottom: 0
    background: #000
    .wrapper
      height: 0
      width: 100%
      padding-bottom: 65%
      background: #fff
      .gallary-img
        width: 100%
      .swiper-pagination
        color: #fff
        bottom: -1rem
</style>
